Title:
弁
Document Type and Number:
Japanese Patent JP4935678
Kind Code:
B2
Abstract:
A pressure limiting valve having a spool with raised spool lands. The spool is slidably received in a spool bore having inflow and outflow grooves that form control edges. The valve has two control edges, and a hydraulic resistance is connected in series with one of the control edges. Increasing static pressure losses at the control edges during flow, so-called flow forces, can be offset by an increasing back pressure on the valve spool, which is produced by the hydraulic resistance.
Inventors:
Eric Muller
Manfred Hom
Reinhard Steer
Manfred Hom
Reinhard Steer
Application Number:
JP2007540482A
Publication Date:
May 23, 2012
Filing Date:
October 15, 2005
Export Citation:
Assignee:
Schaeffler Technologies AG & Co. KG
International Classes:
F16K3/32; F16K47/04; F16K47/10
Domestic Patent References:
| JPS63236110A | 1988-10-03 | |||
| JPS5044940A | 1975-04-22 | |||
| JPS53116527A | 1978-10-12 | |||
| JPS4934620A | 1974-03-30 |
Foreign References:
| US3979908A | 1976-09-14 | |||
| US3785614A | 1974-01-15 |
Attorney, Agent or Firm:
Takuya Kuno
Takahashi
Kiyoshi Kuruma
Kimihiro Hoshi
Hiroyasu Ninomiya
Shuichi Sumiyoshi
Ryoichi Shino
Ueshima
Yasushi Miyagi
Einzel Felix-Reinhard
Takahashi
Kiyoshi Kuruma
Kimihiro Hoshi
Hiroyasu Ninomiya
Shuichi Sumiyoshi
Ryoichi Shino
Ueshima
Yasushi Miyagi
Einzel Felix-Reinhard